Answer:
war
Explanation:
they needed guns and supplies for the soldiers
communication...: people could ask for a certain product
transportation...: get supplies easier for making stuff
mass...: they could make large quantities of stuff faster
Answer:
It's economy droped.
Explanation:
During WWII a lot of money went for weapons, and by the end of it and we entered the Great Depression cause of it.
Mexico won its indpendence from Spain on Sep 16, 1810.
